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How to Synchronize the NI 5663E and NI 5673E



Hardware: Modular Instruments>>RF Measurement Devices>>PXIe-5663, Modular Instruments>>RF Measurement Devices>>PXIe-5673

Problem:
What are the hardware connections I need to make and software configuration I need to do in order to synchronize the NI 5663E (RFSA) and NI 5673E (RFSG)?

Solution:
Because the RFSA uses an intermediate frequency, a single local oscillator cannot be used between both a RFSA and a RFSG .  You can however use a reference clock source to synchronize the devices.

For synchronizing the RFSG and RFSA, you need to make following connections on the hardware :
  1. Install an NI 5601 RF downconverter module in any PXI Express or hybrid slot.
  2. Install an NI 5622 IF digitizer module immediately to the right of the NI 5601.
  3. Install an NI 5652 LO source immediately to the left of the NI 5601 installed in step 1.
  4. Install the NI 5652 LO source that shipped with your NI 5673 immediately to the left of the NI 5652 LO source installed in step 3.
  5. Install the NI 5611 I/Q vector modulator that shipped with your NI 5673 immediately to the left of the NI 5652 installed in step 4.
  6. Install the NI 5450 I/Q signal generator that shipped with your NI 5673 immediately to the left of the NI 5611 installed in step 5.
  7. Using a semi-rigid SMA-to-SMA cable (label A), connect the CH 0+/I+ connector on the NI 5450 installed in step 6 to the I+ connector on the NI 5611 installed in step 5.
  8. Using a semi-rigid SMA-to-SMA cable (label A), connect the CH 0-/I- connector on the NI 5450 installed in step 6 to the I- connector on the NI 5611 installed in step 5.
  9. Using a semi-rigid SMA-to-SMA cable (label A), connect the CH 1+/Q+ connector on the NI 5450 installed in step 6 to the Q+ connector on the NI 5611 installed in step 5.
  10. Using a semi-rigid SMA-to-SMA cable (label A), connect the CH 1-/Q- connector on the NI 5450 installed in step 6 to the Q- connector on the NI 5611 installed in step 5.
  11. Using a semi-rigid SMA-to-SMA coaxial cable (label B), connect the LO IN connector on the NI 5611 (installed in step 5) to the RF OUT connector on the NI 5652 installed in step 4.
  12. Using a semi-rigid SMA-to-SMA cable (label C), connect the RF OUT connector on the NI 5652 LO source installed in step 3 to the LO IN connector on the NI 5601 RF downconverter installed in step 1.
  13. Using a semi-rigid SMA-to-SMA cable (label D), connect the IF OUT connector on the NI 5601 to the IF IN connector on the NI 5622 IF digitizer installed in step 2.
  14. External clock users: Using a flexible coaxial cable, connect the external clock of your choice to the REF IN/OUT connector on the NI 5652 installed in step 4.
  15. Using a flexible coaxial cable, connect the CLK OUT connector on the NI 5450 front panel to the REF IN/OUT connector on the NI 5652 installed in step 3.
  16. Using a flexible coaxial cable, connect the CLK IN connector on the NI 5622 to the REF OUT2 connector on the NI 5652 installed in step 3.
  17. Using a flexible coaxial cable, connect the CLK IN connector on the NI 5450 to the REF OUT2 connector on the NI 5652 installed in step 4.
  18. Connect a 50 Ω termination to the LO OUT connector on the NI 5611 and the LO OUT connector on the NI 5601.
For details, please see the figure below:



You will also need to export the sample clock from NI RFSG to ClkOut and import the sample clock source in NI RFSA as ClkIn. As shown in the figures below.


More information about advanced topic for the NI 5663E can be found in the NI RF Vector Signal Analyzer Help document located in your Start Menu » Programs » National Instruments » NI-RFSA » Documentation » NI RF Vector Signal Analyzers Help.

Related Links:
Online Help: NI Vector Signal Analyzer Help
Online Help: NI Vector Signal Generator Help

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Report Date: 06/28/2010
Last Updated: 10/04/2012
Document ID: 5ARFM8BH

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